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Sibirskite

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Formula:
Ca
 
2
(HB
 
2
O
 
5
)(OH)
System:MonoclinicColour:Colourless, dark grey ...
Name:Named after its discovery locality in Siberia (Sibirski in Russian)
Isostructural with:Sussexite, Szaibélyite
This page provides mineralogical data about Sibirskite.

Classification of Sibirskite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:5/H.02-30
Nickel-Strunz 10th (pending) edition ID:6.BC.20

6 : BORATES
B : Diborates
C : Ino-diborates with triangles and/or tetrahedra
Dana 8th edition ID:25.2.2.1

25 : ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
2 : Diborates
Hey's CIM Ref.:9.3.2

9 : Borates
3 : Borates of Ca and Sr
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Type Occurrence of Sibirskite

Type Locality:Yuliya Svintsoviya deposit, Khakassia Republic (Khakassy Republic; Khakassiya Republic), Eastern-Siberian Region, Russia
Year of Discovery:1962

Physical Properties of Sibirskite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless, dark grey (when included by chlorite)

Crystallography of Sibirskite

Crystal System:Monoclinic

Optical Data of Sibirskite

Type:Biaxial (-)
RI values: nα = 1.555 nβ = 1.643 nγ = 1.658
2V:Measured: 43° , Calculated: 42°
Maximum Birefringence:δ = 0.103

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:none

Chemical Properties of Sibirskite

Formula:
Ca
 
2
(HB
 
2
O
 
5
)(OH)
Simplified for copy/paste:Ca2(HB2O5)(OH)
Essential elements:B, Ca, H, O
All elements listed in formula:B, Ca, H, O

Relationship of Sibirskite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
6.BC.10Calciborite
Ca(B
 
2
O
 
4
)
6.BC.15Vimsite
CaB
 
2
O
 
2
(OH)
 
4
6.BC.20Parasibirskite
Ca
 
2
(B
 
2
O
 
5
) · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
9.3.1Calciborite
Ca(B
 
2
O
 
4
)
9.3.3Fabianite
CaB
 
3
O
 
5
OH
9.3.4Uralborite
Ca
 
2
[B
 
3
O
 
3
(OH)
 
5
· OB(OH)
 
3
]
9.3.5Vimsite
CaB
 
2
O
 
2
(OH)
 
4
9.3.6Olshanskyite
Ca
 
3
[B(OH)
 
4
]
 
4
(OH)
 
2
9.3.7Frolovite
Ca[B(OH)
 
4
]
 
2
9.3.8Korzhinskite
Ca(B
 
2
O
 
4
) · H
 
2
O
9.3.9Tyretskite
Ca
 
2
B
 
5
O
 
9
OH · H
 
2
O
9.3.10Nifontovite
Ca
 
3
B
 
6
O
 
6
(OH)
 
12
(H
 
2
O)
 
2
9.3.12Inyoite
Ca(H
 
4
B
 
3
O
 
7
)(OH) · 4H
 
2
O
9.3.13Gowerite
Ca[B
 
5
O
 
8
(OH)][B(OH)
 
3
] · 3H
 
2
O
9.3.14Colemanite
Ca[B
 
3
O
 
4
(OH)
 
3
] · H
 
2
O
9.3.15Pentahydroborite
CaB
 
2
O(OH)
 
6
· 2H
 
2
O
9.3.16Hexahydroborite
Ca[B(OH)
 
4
]
 
2
· 6H
 
2
O
9.3.17Meyerhofferite
Ca
 
2
(H
 
3
B
 
3
O
 
7
)
 
2
· 4H
 
2
O
9.3.18Priceite
Ca
 
2
B
 
5
O
 
7
(OH)
 
5
· H
 
2
O
9.3.19Ginorite
Ca
 
2
B
 
14
O
 
23
· 8H
 
2
O
9.3.20Probertite
NaCaB
 
5
O
 
7
(OH)
 
4
· 3H
 
2
O
9.3.21Ulexite
NaCa[B
 
5
O
 
6
(OH)
 
6
] · 5H
 
2
O
9.3.22Hydroboracite
CaMg[B
 
3
O
 
4
(OH)
 
3
]
 
2
· 3H
 
2
O
9.3.23Inderborite
CaMg(H
 
3
B
 
3
O
 
7
)
 
2
· 8H
 
2
O
9.3.24Wardsmithite
Ca
 
5
Mg[B
 
4
O
 
7
]
 
6
· 30H
 
2
O
9.3.25Henmilite
Ca
 
2
Cu[B(OH)
 
4
]
 
2
(OH)
 
4
9.3.26Strontioborite
SrB
 
8
O
 
11
(OH)
 
4
9.3.27Veatchite
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
· H
 
2
O
9.3.28Veatchite-A
Sr
 
2
B
 
11
O
 
16
(OH)
 
5
· H
 
2
O
9.3.29 P-Veatchite
9.3.30 Balavinskite
Sr
 
2
B
 
6
O
 
11
· 4H
 
2
O
9.3.31Tunellite
SrB
 
6
O
 
9
(OH)
 
2
· 3H
 
2
O
9.3.32Strontioginorite
(Sr,Ca)
 
2
B
 
14
O
 
23
· 8H
 
2
O

Other Names for Sibirskite

Other Languages:
German:Sibirskit
Russian:Сибирскит
Spanish:Sibirskita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Sibirskite

Reference List:

- +
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1962) 91: 455.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1996) 125(4): 60-71.

American Mineralogist (1963) 48: 433.

Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).

Miura, H. & Kusachi, I. (2008) Journal of Mineralogical and Petrological Sciences, 103, 156-160.

Internet Links for Sibirskite

Search Engines:
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  • External Links:
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  • Look for Sibirskite on Athena Mineralogy
  • Look for Sibirskite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Sibirskite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Sibirskite specimens for sale - minfind.com
  • Localities for Sibirskite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
          • Takahashi City
            • Bitchu-cho-fuka (Bicchu-cho-fuka)
    Mineralogical Record: 27: 306.; Journal of Mineralogical and Petrological Sciences Vol. 99 (2004) , No. 2 April 67-71; I. Kusachi, Y. Takechi, C. Henmi and S. Kobayashi (1998) Parasibirskite, a New Mineral from Fuka, Okayama Prefecture, Japan. Mineralogical Magazine 62:521-525.
    Russia
     
    • Eastern-Siberian Region
      • Khakassia Republic (Khakassy Republic; Khakassiya Republic)
    [AmMin 82:822]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk)
            • Turya river
              • Turjinsk
    [AmMin 82:822]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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